21762807

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{541}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 33716736

約数和(自身を除く): 11953929

約数列:

[1, 3, 11, 23, 33, 53, 69, 159, 253, 541, 583, 759, 1219, 1623, 1749, 3657, 5951, 12443, 13409, 17853, 28673, 37329, 40227, 86019, 136873, 315403, 410619, 659479, 946209, 1978437, 7254269, 21762807]

約数ペア:

[(1, 21762807), (3, 7254269), (11, 1978437), (23, 946209), (33, 659479), (53, 410619), (69, 315403), (159, 136873), (253, 86019), (541, 40227), (583, 37329), (759, 28673), (1219, 17853), (1623, 13409), (1749, 12443), (3657, 5951)]